Molecular Speeds: the Average Molecular Kinetic Energy of a Gas

Multiple Choice

Molecular speeds: The average molecular kinetic energy of a gas can be determined by knowing

A) only the number of molecules in the gas.
B) only the volume of the gas.
C) only the pressure of the gas.
D) only the temperature of the gas.
E) All of the above quantities must be known to determine the average molecular kinetic energy.